The Heart of Georgia Railroad (reporting mark HOG) is a shortline railroad created in 1999 to lease and operate 177 miles (285 km) of track owned by the Georgia Department of Transportation between Mahrt, Alabama and Vidalia, Georgia, in the United States. The railroad has since expanded to include more than 219 miles (352 km) of track, reaching as far as Midville, Georgia. Initially only the portion from Rochelle to Preston, Georgia was utilized, with the Preston-Mahrt and Rochelle-Vidalia lines out of service. The Heart of Georgia also hosts the SAM passenger excursion train and is owned by parent company .